In this video Lukas Hader explains us
what microorganisms are
where you find them
what they are good for
how to use microorganisms in natural simming pools
and what their effect is.


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DIY-How to build a natural pool/swimmteich
This book shows clearly and with detailed step-by-step instructions with pictures and sketches, how you can build a natural pool/schwimmteich in your garden without technology and plants.
https://amzn.to/3Ah2X78

or as pdf / DIY-How to build a natural pool/swimmteich (EBOOK)
https://teichschwimmer.com/produkt/di...

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